I bought a 2003 Ranger 520vx with an 03 Evinrude 225 DI low hours 1 owner boat.XD 50 has been used since new,plugs changed yearly and water pump every other year. with the last time this past spring 08.Any tips you guys can give with the motor.I.ve had EFI 200's and carb 200's but never a DI motor.Thanks for your help!!